Upflow gas eductor induced air floatation separator

Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...

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210709, 210744, 210 961, 2102212, C02F 124

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active

045644578

ABSTRACT:
An upflow eductor induced air separator providing a main separator tank receiving a continuous fluid flow divided into a plurality of aeration chambers with each aeration chamber providing eductor means wherein gas is educted into an upflow water stream with contaminants of suspended oil and solids in the continuous fluid flow adhering to the gas bubbles for collection in a froth layer on the top portion of the tank. There is further provided a V-shaped collection channel extending substantially the length of the tank for removal of collected oil following the sensing activation of a valve allowing the fluid level within the tank to rise, with oil and solids ladened froth being removed through the valve. There is further provided a recirculation pump for recirculating the effluent which exits the tank following the aeration process, and a chemical injection mechanism for injecting a mixture of chemical flocculating agent entering the main separating tank.

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patent: 4220612 (1980-09-01), Degner et al.
patent: 4226706 (1980-10-01), Degner et al.
patent: 4255262 (1981-03-01), O'Cheskey et al.
patent: 4405456 (1983-09-01), Kinzer et al.

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